Home / 88,382.02-121,969.76-48,098.38

Finding the Fourth Proportional to 88,382.02, 121,969.76 and 48,098.38

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Solution

The fourth proportional to 88,382.02, 121,969.76 and 48,098.38 is: 66,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,382.02 : 121,969.76 = 48,098.38 : x
  2. Step 2: Convert to fraction form
    88,382.02/121,969.76 = 48,098.38/x
  3. Step 3: Cross multiply
    88,382.02x = 121,969.76 × 48,098.38
  4. Step 4: Simplify right side
    88,382.02x = 5,866,547,864.99
  5. Step 5: Solve for x
    x = 5,866,547,864.99/88,382.02
  6. Step 6: Final answer
    x = 66,377.16

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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.