Home / 81,590.43-112,565.93-53,312.52

Finding the Fourth Proportional to 81,590.43, 112,565.93 and 53,312.52

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Solution

The fourth proportional to 81,590.43, 112,565.93 and 53,312.52 is: 73,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,590.43 : 112,565.93 = 53,312.52 : x
  2. Step 2: Convert to fraction form
    81,590.43/112,565.93 = 53,312.52/x
  3. Step 3: Cross multiply
    81,590.43x = 112,565.93 × 53,312.52
  4. Step 4: Simplify right side
    81,590.43x = 6,001,173,127.88
  5. Step 5: Solve for x
    x = 6,001,173,127.88/81,590.43
  6. Step 6: Final answer
    x = 73,552.41

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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.