Home / 97,088.40-145,653.39-54,988.38

Finding the Fourth Proportional to 97,088.40, 145,653.39 and 54,988.38

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Solution

The fourth proportional to 97,088.40, 145,653.39 and 54,988.38 is: 82,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,088.40 : 145,653.39 = 54,988.38 : x
  2. Step 2: Convert to fraction form
    97,088.40/145,653.39 = 54,988.38/x
  3. Step 3: Cross multiply
    97,088.40x = 145,653.39 × 54,988.38
  4. Step 4: Simplify right side
    97,088.40x = 8,009,243,957.61
  5. Step 5: Solve for x
    x = 8,009,243,957.61/97,088.40
  6. Step 6: Final answer
    x = 82,494.34

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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.