Home / 83,070.26-124,477.77-56,381.54

Finding the Fourth Proportional to 83,070.26, 124,477.77 and 56,381.54

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Solution

The fourth proportional to 83,070.26, 124,477.77 and 56,381.54 is: 84,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,070.26 : 124,477.77 = 56,381.54 : x
  2. Step 2: Convert to fraction form
    83,070.26/124,477.77 = 56,381.54/x
  3. Step 3: Cross multiply
    83,070.26x = 124,477.77 × 56,381.54
  4. Step 4: Simplify right side
    83,070.26x = 7,018,248,368.37
  5. Step 5: Solve for x
    x = 7,018,248,368.37/83,070.26
  6. Step 6: Final answer
    x = 84,485.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.