Home / 78,695.18-118,042.58-24,664

Finding the Fourth Proportional to 78,695.18, 118,042.58 and 24,664

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Solution

The fourth proportional to 78,695.18, 118,042.58 and 24,664 is: 36,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,695.18 : 118,042.58 = 24,664 : x
  2. Step 2: Convert to fraction form
    78,695.18/118,042.58 = 24,664/x
  3. Step 3: Cross multiply
    78,695.18x = 118,042.58 × 24,664
  4. Step 4: Simplify right side
    78,695.18x = 2,911,402,193.12
  5. Step 5: Solve for x
    x = 2,911,402,193.12/78,695.18
  6. Step 6: Final answer
    x = 36,995.94

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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.