Home / 92,849.90-128,140.79-52,570.76

Finding the Fourth Proportional to 92,849.90, 128,140.79 and 52,570.76

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Solution

The fourth proportional to 92,849.90, 128,140.79 and 52,570.76 is: 72,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,849.90 : 128,140.79 = 52,570.76 : x
  2. Step 2: Convert to fraction form
    92,849.90/128,140.79 = 52,570.76/x
  3. Step 3: Cross multiply
    92,849.90x = 128,140.79 × 52,570.76
  4. Step 4: Simplify right side
    92,849.90x = 6,736,457,813.74
  5. Step 5: Solve for x
    x = 6,736,457,813.74/92,849.90
  6. Step 6: Final answer
    x = 72,552.13

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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.