Home / 99,085.80-148,628.70-57,095.40

Finding the Fourth Proportional to 99,085.80, 148,628.70 and 57,095.40

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Solution

The fourth proportional to 99,085.80, 148,628.70 and 57,095.40 is: 85,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,085.80 : 148,628.70 = 57,095.40 : x
  2. Step 2: Convert to fraction form
    99,085.80/148,628.70 = 57,095.40/x
  3. Step 3: Cross multiply
    99,085.80x = 148,628.70 × 57,095.40
  4. Step 4: Simplify right side
    99,085.80x = 8,486,015,077.98
  5. Step 5: Solve for x
    x = 8,486,015,077.98/99,085.80
  6. Step 6: Final answer
    x = 85,643.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.