Home / 88,088.90-121,561.76-49,326.80

Finding the Fourth Proportional to 88,088.90, 121,561.76 and 49,326.80

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Solution

The fourth proportional to 88,088.90, 121,561.76 and 49,326.80 is: 68,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,088.90 : 121,561.76 = 49,326.80 : x
  2. Step 2: Convert to fraction form
    88,088.90/121,561.76 = 49,326.80/x
  3. Step 3: Cross multiply
    88,088.90x = 121,561.76 × 49,326.80
  4. Step 4: Simplify right side
    88,088.90x = 5,996,252,623.17
  5. Step 5: Solve for x
    x = 5,996,252,623.17/88,088.90
  6. Step 6: Final answer
    x = 68,070.47

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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.