Home / 52,829.16-78,778.11-52,355.40

Finding the Fourth Proportional to 52,829.16, 78,778.11 and 52,355.40

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Solution

The fourth proportional to 52,829.16, 78,778.11 and 52,355.40 is: 78,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.16 : 78,778.11 = 52,355.40 : x
  2. Step 2: Convert to fraction form
    52,829.16/78,778.11 = 52,355.40/x
  3. Step 3: Cross multiply
    52,829.16x = 78,778.11 × 52,355.40
  4. Step 4: Simplify right side
    52,829.16x = 4,124,459,460.29
  5. Step 5: Solve for x
    x = 4,124,459,460.29/52,829.16
  6. Step 6: Final answer
    x = 78,071.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.