Home / 88,400.80-121,995.72-48,117.18

Finding the Fourth Proportional to 88,400.80, 121,995.72 and 48,117.18

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Solution

The fourth proportional to 88,400.80, 121,995.72 and 48,117.18 is: 66,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,400.80 : 121,995.72 = 48,117.18 : x
  2. Step 2: Convert to fraction form
    88,400.80/121,995.72 = 48,117.18/x
  3. Step 3: Cross multiply
    88,400.80x = 121,995.72 × 48,117.18
  4. Step 4: Simplify right side
    88,400.80x = 5,870,090,018.47
  5. Step 5: Solve for x
    x = 5,870,090,018.47/88,400.80
  6. Step 6: Final answer
    x = 66,403.13

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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.