Home / 75,657.10-113,499.45-31,259.77

Finding the Fourth Proportional to 75,657.10, 113,499.45 and 31,259.77

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Solution

The fourth proportional to 75,657.10, 113,499.45 and 31,259.77 is: 46,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,657.10 : 113,499.45 = 31,259.77 : x
  2. Step 2: Convert to fraction form
    75,657.10/113,499.45 = 31,259.77/x
  3. Step 3: Cross multiply
    75,657.10x = 113,499.45 × 31,259.77
  4. Step 4: Simplify right side
    75,657.10x = 3,547,966,702.13
  5. Step 5: Solve for x
    x = 3,547,966,702.13/75,657.10
  6. Step 6: Final answer
    x = 46,895.36

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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.