Home / 59,228.16-81,681.95-49,140.62

Finding the Fourth Proportional to 59,228.16, 81,681.95 and 49,140.62

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Solution

The fourth proportional to 59,228.16, 81,681.95 and 49,140.62 is: 67,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,228.16 : 81,681.95 = 49,140.62 : x
  2. Step 2: Convert to fraction form
    59,228.16/81,681.95 = 49,140.62/x
  3. Step 3: Cross multiply
    59,228.16x = 81,681.95 × 49,140.62
  4. Step 4: Simplify right side
    59,228.16x = 4,013,901,992.87
  5. Step 5: Solve for x
    x = 4,013,901,992.87/59,228.16
  6. Step 6: Final answer
    x = 67,770.16

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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.