Home / 78,416.32-117,526.02-46,849.69

Finding the Fourth Proportional to 78,416.32, 117,526.02 and 46,849.69

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Solution

The fourth proportional to 78,416.32, 117,526.02 and 46,849.69 is: 70,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,416.32 : 117,526.02 = 46,849.69 : x
  2. Step 2: Convert to fraction form
    78,416.32/117,526.02 = 46,849.69/x
  3. Step 3: Cross multiply
    78,416.32x = 117,526.02 × 46,849.69
  4. Step 4: Simplify right side
    78,416.32x = 5,506,057,603.93
  5. Step 5: Solve for x
    x = 5,506,057,603.93/78,416.32
  6. Step 6: Final answer
    x = 70,215.71

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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.