Home / 92,070.66-127,012.49-56,198.40

Finding the Fourth Proportional to 92,070.66, 127,012.49 and 56,198.40

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Solution

The fourth proportional to 92,070.66, 127,012.49 and 56,198.40 is: 77,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,070.66 : 127,012.49 = 56,198.40 : x
  2. Step 2: Convert to fraction form
    92,070.66/127,012.49 = 56,198.40/x
  3. Step 3: Cross multiply
    92,070.66x = 127,012.49 × 56,198.40
  4. Step 4: Simplify right side
    92,070.66x = 7,137,898,437.02
  5. Step 5: Solve for x
    x = 7,137,898,437.02/92,070.66
  6. Step 6: Final answer
    x = 77,526.31

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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.