Home / 124,810.34-172,218.15-71,096.40

Finding the Fourth Proportional to 124,810.34, 172,218.15 and 71,096.40

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Solution

The fourth proportional to 124,810.34, 172,218.15 and 71,096.40 is: 98,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,810.34 : 172,218.15 = 71,096.40 : x
  2. Step 2: Convert to fraction form
    124,810.34/172,218.15 = 71,096.40/x
  3. Step 3: Cross multiply
    124,810.34x = 172,218.15 × 71,096.40
  4. Step 4: Simplify right side
    124,810.34x = 12,244,090,479.66
  5. Step 5: Solve for x
    x = 12,244,090,479.66/124,810.34
  6. Step 6: Final answer
    x = 98,101.57

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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.