Home / 83,303.05-114,838.64-59,388.20

Finding the Fourth Proportional to 83,303.05, 114,838.64 and 59,388.20

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Solution

The fourth proportional to 83,303.05, 114,838.64 and 59,388.20 is: 81,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,303.05 : 114,838.64 = 59,388.20 : x
  2. Step 2: Convert to fraction form
    83,303.05/114,838.64 = 59,388.20/x
  3. Step 3: Cross multiply
    83,303.05x = 114,838.64 × 59,388.20
  4. Step 4: Simplify right side
    83,303.05x = 6,820,059,823.11
  5. Step 5: Solve for x
    x = 6,820,059,823.11/83,303.05
  6. Step 6: Final answer
    x = 81,870.47

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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.