Home / 85,590.04-118,119.72-47,864.56

Finding the Fourth Proportional to 85,590.04, 118,119.72 and 47,864.56

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Solution

The fourth proportional to 85,590.04, 118,119.72 and 47,864.56 is: 66,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590.04 : 118,119.72 = 47,864.56 : x
  2. Step 2: Convert to fraction form
    85,590.04/118,119.72 = 47,864.56/x
  3. Step 3: Cross multiply
    85,590.04x = 118,119.72 × 47,864.56
  4. Step 4: Simplify right side
    85,590.04x = 5,653,748,425.12
  5. Step 5: Solve for x
    x = 5,653,748,425.12/85,590.04
  6. Step 6: Final answer
    x = 66,056.15

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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.