Home / 79,281.09-118,688.36-52,920.45

Finding the Fourth Proportional to 79,281.09, 118,688.36 and 52,920.45

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Solution

The fourth proportional to 79,281.09, 118,688.36 and 52,920.45 is: 79,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,281.09 : 118,688.36 = 52,920.45 : x
  2. Step 2: Convert to fraction form
    79,281.09/118,688.36 = 52,920.45/x
  3. Step 3: Cross multiply
    79,281.09x = 118,688.36 × 52,920.45
  4. Step 4: Simplify right side
    79,281.09x = 6,281,041,156.36
  5. Step 5: Solve for x
    x = 6,281,041,156.36/79,281.09
  6. Step 6: Final answer
    x = 79,224.96

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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.