Home / 74,281.81-102,515.91-42,444.54

Finding the Fourth Proportional to 74,281.81, 102,515.91 and 42,444.54

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Solution

The fourth proportional to 74,281.81, 102,515.91 and 42,444.54 is: 58,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,281.81 : 102,515.91 = 42,444.54 : x
  2. Step 2: Convert to fraction form
    74,281.81/102,515.91 = 42,444.54/x
  3. Step 3: Cross multiply
    74,281.81x = 102,515.91 × 42,444.54
  4. Step 4: Simplify right side
    74,281.81x = 4,351,240,642.63
  5. Step 5: Solve for x
    x = 4,351,240,642.63/74,281.81
  6. Step 6: Final answer
    x = 58,577.47

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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.