Home / 97,856.10-135,039.13-57,572.46

Finding the Fourth Proportional to 97,856.10, 135,039.13 and 57,572.46

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Solution

The fourth proportional to 97,856.10, 135,039.13 and 57,572.46 is: 79,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,856.10 : 135,039.13 = 57,572.46 : x
  2. Step 2: Convert to fraction form
    97,856.10/135,039.13 = 57,572.46/x
  3. Step 3: Cross multiply
    97,856.10x = 135,039.13 × 57,572.46
  4. Step 4: Simplify right side
    97,856.10x = 7,774,534,766.43
  5. Step 5: Solve for x
    x = 7,774,534,766.43/97,856.10
  6. Step 6: Final answer
    x = 79,448.65

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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.