Home / 70,430.48-97,196.71-40,216.06

Finding the Fourth Proportional to 70,430.48, 97,196.71 and 40,216.06

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Solution

The fourth proportional to 70,430.48, 97,196.71 and 40,216.06 is: 55,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,430.48 : 97,196.71 = 40,216.06 : x
  2. Step 2: Convert to fraction form
    70,430.48/97,196.71 = 40,216.06/x
  3. Step 3: Cross multiply
    70,430.48x = 97,196.71 × 40,216.06
  4. Step 4: Simplify right side
    70,430.48x = 3,908,868,817.52
  5. Step 5: Solve for x
    x = 3,908,868,817.52/70,430.48
  6. Step 6: Final answer
    x = 55,499.68

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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.