Home / 75,430.16-113,159.84-25,518.39

Finding the Fourth Proportional to 75,430.16, 113,159.84 and 25,518.39

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Solution

The fourth proportional to 75,430.16, 113,159.84 and 25,518.39 is: 38,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,430.16 : 113,159.84 = 25,518.39 : x
  2. Step 2: Convert to fraction form
    75,430.16/113,159.84 = 25,518.39/x
  3. Step 3: Cross multiply
    75,430.16x = 113,159.84 × 25,518.39
  4. Step 4: Simplify right side
    75,430.16x = 2,887,657,014.04
  5. Step 5: Solve for x
    x = 2,887,657,014.04/75,430.16
  6. Step 6: Final answer
    x = 38,282.52

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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.