Home / 66,117.64-99,348.18-61,798.18

Finding the Fourth Proportional to 66,117.64, 99,348.18 and 61,798.18

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Solution

The fourth proportional to 66,117.64, 99,348.18 and 61,798.18 is: 92,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117.64 : 99,348.18 = 61,798.18 : x
  2. Step 2: Convert to fraction form
    66,117.64/99,348.18 = 61,798.18/x
  3. Step 3: Cross multiply
    66,117.64x = 99,348.18 × 61,798.18
  4. Step 4: Simplify right side
    66,117.64x = 6,139,536,710.31
  5. Step 5: Solve for x
    x = 6,139,536,710.31/66,117.64
  6. Step 6: Final answer
    x = 92,857.77

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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.