Home / 97,018.08-145,434.96-57,585.12

Finding the Fourth Proportional to 97,018.08, 145,434.96 and 57,585.12

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Solution

The fourth proportional to 97,018.08, 145,434.96 and 57,585.12 is: 86,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,018.08 : 145,434.96 = 57,585.12 : x
  2. Step 2: Convert to fraction form
    97,018.08/145,434.96 = 57,585.12/x
  3. Step 3: Cross multiply
    97,018.08x = 145,434.96 × 57,585.12
  4. Step 4: Simplify right side
    97,018.08x = 8,374,889,623.80
  5. Step 5: Solve for x
    x = 8,374,889,623.80/97,018.08
  6. Step 6: Final answer
    x = 86,322.98

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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.