Home / 90,779.04-125,187.12-60,565.59

Finding the Fourth Proportional to 90,779.04, 125,187.12 and 60,565.59

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Solution

The fourth proportional to 90,779.04, 125,187.12 and 60,565.59 is: 83,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,779.04 : 125,187.12 = 60,565.59 : x
  2. Step 2: Convert to fraction form
    90,779.04/125,187.12 = 60,565.59/x
  3. Step 3: Cross multiply
    90,779.04x = 125,187.12 × 60,565.59
  4. Step 4: Simplify right side
    90,779.04x = 7,582,031,783.20
  5. Step 5: Solve for x
    x = 7,582,031,783.20/90,779.04
  6. Step 6: Final answer
    x = 83,521.83

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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.