Home / 92,403.32-127,529.69-56,123.12

Finding the Fourth Proportional to 92,403.32, 127,529.69 and 56,123.12

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Solution

The fourth proportional to 92,403.32, 127,529.69 and 56,123.12 is: 77,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,403.32 : 127,529.69 = 56,123.12 : x
  2. Step 2: Convert to fraction form
    92,403.32/127,529.69 = 56,123.12/x
  3. Step 3: Cross multiply
    92,403.32x = 127,529.69 × 56,123.12
  4. Step 4: Simplify right side
    92,403.32x = 7,157,363,177.17
  5. Step 5: Solve for x
    x = 7,157,363,177.17/92,403.32
  6. Step 6: Final answer
    x = 77,457.86

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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.