Home / 113,807.74-157,063.62-62,830.60

Finding the Fourth Proportional to 113,807.74, 157,063.62 and 62,830.60

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Solution

The fourth proportional to 113,807.74, 157,063.62 and 62,830.60 is: 86,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,807.74 : 157,063.62 = 62,830.60 : x
  2. Step 2: Convert to fraction form
    113,807.74/157,063.62 = 62,830.60/x
  3. Step 3: Cross multiply
    113,807.74x = 157,063.62 × 62,830.60
  4. Step 4: Simplify right side
    113,807.74x = 9,868,401,482.77
  5. Step 5: Solve for x
    x = 9,868,401,482.77/113,807.74
  6. Step 6: Final answer
    x = 86,711.16

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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.