Home / 90,600.64-124,985.28-58,779.52

Finding the Fourth Proportional to 90,600.64, 124,985.28 and 58,779.52

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Solution

The fourth proportional to 90,600.64, 124,985.28 and 58,779.52 is: 81,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,600.64 : 124,985.28 = 58,779.52 : x
  2. Step 2: Convert to fraction form
    90,600.64/124,985.28 = 58,779.52/x
  3. Step 3: Cross multiply
    90,600.64x = 124,985.28 × 58,779.52
  4. Step 4: Simplify right side
    90,600.64x = 7,346,574,765.47
  5. Step 5: Solve for x
    x = 7,346,574,765.47/90,600.64
  6. Step 6: Final answer
    x = 81,087.45

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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.