Home / 77,830.02-107,307.18-50,929.92

Finding the Fourth Proportional to 77,830.02, 107,307.18 and 50,929.92

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Solution

The fourth proportional to 77,830.02, 107,307.18 and 50,929.92 is: 70,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,830.02 : 107,307.18 = 50,929.92 : x
  2. Step 2: Convert to fraction form
    77,830.02/107,307.18 = 50,929.92/x
  3. Step 3: Cross multiply
    77,830.02x = 107,307.18 × 50,929.92
  4. Step 4: Simplify right side
    77,830.02x = 5,465,146,092.83
  5. Step 5: Solve for x
    x = 5,465,146,092.83/77,830.02
  6. Step 6: Final answer
    x = 70,219.00

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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.