Home / 88,332.12-121,858.12-52,501.77

Finding the Fourth Proportional to 88,332.12, 121,858.12 and 52,501.77

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Solution

The fourth proportional to 88,332.12, 121,858.12 and 52,501.77 is: 72,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,332.12 : 121,858.12 = 52,501.77 : x
  2. Step 2: Convert to fraction form
    88,332.12/121,858.12 = 52,501.77/x
  3. Step 3: Cross multiply
    88,332.12x = 121,858.12 × 52,501.77
  4. Step 4: Simplify right side
    88,332.12x = 6,397,767,054.50
  5. Step 5: Solve for x
    x = 6,397,767,054.50/88,332.12
  6. Step 6: Final answer
    x = 72,428.55

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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.