Home / 74,153.84-102,339.63-42,327.52

Finding the Fourth Proportional to 74,153.84, 102,339.63 and 42,327.52

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Solution

The fourth proportional to 74,153.84, 102,339.63 and 42,327.52 is: 58,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,153.84 : 102,339.63 = 42,327.52 : x
  2. Step 2: Convert to fraction form
    74,153.84/102,339.63 = 42,327.52/x
  3. Step 3: Cross multiply
    74,153.84x = 102,339.63 × 42,327.52
  4. Step 4: Simplify right side
    74,153.84x = 4,331,782,479.77
  5. Step 5: Solve for x
    x = 4,331,782,479.77/74,153.84
  6. Step 6: Final answer
    x = 58,416.16

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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.