Home / 67,838.07-93,622.47-39,543.15

Finding the Fourth Proportional to 67,838.07, 93,622.47 and 39,543.15

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Solution

The fourth proportional to 67,838.07, 93,622.47 and 39,543.15 is: 54,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,838.07 : 93,622.47 = 39,543.15 : x
  2. Step 2: Convert to fraction form
    67,838.07/93,622.47 = 39,543.15/x
  3. Step 3: Cross multiply
    67,838.07x = 93,622.47 × 39,543.15
  4. Step 4: Simplify right side
    67,838.07x = 3,702,127,374.58
  5. Step 5: Solve for x
    x = 3,702,127,374.58/67,838.07
  6. Step 6: Final answer
    x = 54,573.01

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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.