Home / 52,089.64-78,085.25-47,316.51

Finding the Fourth Proportional to 52,089.64, 78,085.25 and 47,316.51

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Solution

The fourth proportional to 52,089.64, 78,085.25 and 47,316.51 is: 70,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.64 : 78,085.25 = 47,316.51 : x
  2. Step 2: Convert to fraction form
    52,089.64/78,085.25 = 47,316.51/x
  3. Step 3: Cross multiply
    52,089.64x = 78,085.25 × 47,316.51
  4. Step 4: Simplify right side
    52,089.64x = 3,694,721,275.89
  5. Step 5: Solve for x
    x = 3,694,721,275.89/52,089.64
  6. Step 6: Final answer
    x = 70,930.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.