Home / 124,795.49-172,235.70-71,085.60

Finding the Fourth Proportional to 124,795.49, 172,235.70 and 71,085.60

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Solution

The fourth proportional to 124,795.49, 172,235.70 and 71,085.60 is: 98,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,795.49 : 172,235.70 = 71,085.60 : x
  2. Step 2: Convert to fraction form
    124,795.49/172,235.70 = 71,085.60/x
  3. Step 3: Cross multiply
    124,795.49x = 172,235.70 × 71,085.60
  4. Step 4: Simplify right side
    124,795.49x = 12,243,478,075.92
  5. Step 5: Solve for x
    x = 12,243,478,075.92/124,795.49
  6. Step 6: Final answer
    x = 98,108.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.