Home / 109,988.05-151,783.51-59,687.05

Finding the Fourth Proportional to 109,988.05, 151,783.51 and 59,687.05

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Solution

The fourth proportional to 109,988.05, 151,783.51 and 59,687.05 is: 82,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,988.05 : 151,783.51 = 59,687.05 : x
  2. Step 2: Convert to fraction form
    109,988.05/151,783.51 = 59,687.05/x
  3. Step 3: Cross multiply
    109,988.05x = 151,783.51 × 59,687.05
  4. Step 4: Simplify right side
    109,988.05x = 9,059,509,950.55
  5. Step 5: Solve for x
    x = 9,059,509,950.55/109,988.05
  6. Step 6: Final answer
    x = 82,368.13

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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.