Home / 78,045.72-117,094.86-24,746.40

Finding the Fourth Proportional to 78,045.72, 117,094.86 and 24,746.40

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Solution

The fourth proportional to 78,045.72, 117,094.86 and 24,746.40 is: 37,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,045.72 : 117,094.86 = 24,746.40 : x
  2. Step 2: Convert to fraction form
    78,045.72/117,094.86 = 24,746.40/x
  3. Step 3: Cross multiply
    78,045.72x = 117,094.86 × 24,746.40
  4. Step 4: Simplify right side
    78,045.72x = 2,897,676,243.50
  5. Step 5: Solve for x
    x = 2,897,676,243.50/78,045.72
  6. Step 6: Final answer
    x = 37,127.93

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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.