Home / 61,400.93-91,979.49-47,312.10

Finding the Fourth Proportional to 61,400.93, 91,979.49 and 47,312.10

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Solution

The fourth proportional to 61,400.93, 91,979.49 and 47,312.10 is: 70,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.93 : 91,979.49 = 47,312.10 : x
  2. Step 2: Convert to fraction form
    61,400.93/91,979.49 = 47,312.10/x
  3. Step 3: Cross multiply
    61,400.93x = 91,979.49 × 47,312.10
  4. Step 4: Simplify right side
    61,400.93x = 4,351,742,368.93
  5. Step 5: Solve for x
    x = 4,351,742,368.93/61,400.93
  6. Step 6: Final answer
    x = 70,874.21

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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.