Home / 75,366.07-112,875.79-42,012.30

Finding the Fourth Proportional to 75,366.07, 112,875.79 and 42,012.30

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Solution

The fourth proportional to 75,366.07, 112,875.79 and 42,012.30 is: 62,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,366.07 : 112,875.79 = 42,012.30 : x
  2. Step 2: Convert to fraction form
    75,366.07/112,875.79 = 42,012.30/x
  3. Step 3: Cross multiply
    75,366.07x = 112,875.79 × 42,012.30
  4. Step 4: Simplify right side
    75,366.07x = 4,742,171,552.22
  5. Step 5: Solve for x
    x = 4,742,171,552.22/75,366.07
  6. Step 6: Final answer
    x = 62,921.84

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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.