Home / 78,038.51-117,061.80-24,736.15

Finding the Fourth Proportional to 78,038.51, 117,061.80 and 24,736.15

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Solution

The fourth proportional to 78,038.51, 117,061.80 and 24,736.15 is: 37,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,038.51 : 117,061.80 = 24,736.15 : x
  2. Step 2: Convert to fraction form
    78,038.51/117,061.80 = 24,736.15/x
  3. Step 3: Cross multiply
    78,038.51x = 117,061.80 × 24,736.15
  4. Step 4: Simplify right side
    78,038.51x = 2,895,658,244.07
  5. Step 5: Solve for x
    x = 2,895,658,244.07/78,038.51
  6. Step 6: Final answer
    x = 37,105.50

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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.