Home / 109,663.40-164,381.70-59,637.80

Finding the Fourth Proportional to 109,663.40, 164,381.70 and 59,637.80

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Solution

The fourth proportional to 109,663.40, 164,381.70 and 59,637.80 is: 89,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,663.40 : 164,381.70 = 59,637.80 : x
  2. Step 2: Convert to fraction form
    109,663.40/164,381.70 = 59,637.80/x
  3. Step 3: Cross multiply
    109,663.40x = 164,381.70 × 59,637.80
  4. Step 4: Simplify right side
    109,663.40x = 9,803,362,948.26
  5. Step 5: Solve for x
    x = 9,803,362,948.26/109,663.40
  6. Step 6: Final answer
    x = 89,395.03

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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.