Home / 97,368.79-145,985.50-38,210.35

Finding the Fourth Proportional to 97,368.79, 145,985.50 and 38,210.35

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Solution

The fourth proportional to 97,368.79, 145,985.50 and 38,210.35 is: 57,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,368.79 : 145,985.50 = 38,210.35 : x
  2. Step 2: Convert to fraction form
    97,368.79/145,985.50 = 38,210.35/x
  3. Step 3: Cross multiply
    97,368.79x = 145,985.50 × 38,210.35
  4. Step 4: Simplify right side
    97,368.79x = 5,578,157,049.93
  5. Step 5: Solve for x
    x = 5,578,157,049.93/97,368.79
  6. Step 6: Final answer
    x = 57,288.96

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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.