Home / 53,691.99-74,095.95-29,820.90

Finding the Fourth Proportional to 53,691.99, 74,095.95 and 29,820.90

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Solution

The fourth proportional to 53,691.99, 74,095.95 and 29,820.90 is: 41,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.99 : 74,095.95 = 29,820.90 : x
  2. Step 2: Convert to fraction form
    53,691.99/74,095.95 = 29,820.90/x
  3. Step 3: Cross multiply
    53,691.99x = 74,095.95 × 29,820.90
  4. Step 4: Simplify right side
    53,691.99x = 2,209,607,915.36
  5. Step 5: Solve for x
    x = 2,209,607,915.36/53,691.99
  6. Step 6: Final answer
    x = 41,153.40

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1.5x scale

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.