Home / 88,365.18-121,940.29-48,079.10

Finding the Fourth Proportional to 88,365.18, 121,940.29 and 48,079.10

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Solution

The fourth proportional to 88,365.18, 121,940.29 and 48,079.10 is: 66,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,365.18 : 121,940.29 = 48,079.10 : x
  2. Step 2: Convert to fraction form
    88,365.18/121,940.29 = 48,079.10/x
  3. Step 3: Cross multiply
    88,365.18x = 121,940.29 × 48,079.10
  4. Step 4: Simplify right side
    88,365.18x = 5,862,778,546.84
  5. Step 5: Solve for x
    x = 5,862,778,546.84/88,365.18
  6. Step 6: Final answer
    x = 66,347.16

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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.