Home / 88,074.49-121,574.32-52,264.50

Finding the Fourth Proportional to 88,074.49, 121,574.32 and 52,264.50

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Solution

The fourth proportional to 88,074.49, 121,574.32 and 52,264.50 is: 72,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.49 : 121,574.32 = 52,264.50 : x
  2. Step 2: Convert to fraction form
    88,074.49/121,574.32 = 52,264.50/x
  3. Step 3: Cross multiply
    88,074.49x = 121,574.32 × 52,264.50
  4. Step 4: Simplify right side
    88,074.49x = 6,354,020,916.98
  5. Step 5: Solve for x
    x = 6,354,020,916.98/88,074.49
  6. Step 6: Final answer
    x = 72,143.72

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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.