Home / 65,239.36-97,692.89-42,985.28

Finding the Fourth Proportional to 65,239.36, 97,692.89 and 42,985.28

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Solution

The fourth proportional to 65,239.36, 97,692.89 and 42,985.28 is: 64,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,239.36 : 97,692.89 = 42,985.28 : x
  2. Step 2: Convert to fraction form
    65,239.36/97,692.89 = 42,985.28/x
  3. Step 3: Cross multiply
    65,239.36x = 97,692.89 × 42,985.28
  4. Step 4: Simplify right side
    65,239.36x = 4,199,356,259.97
  5. Step 5: Solve for x
    x = 4,199,356,259.97/65,239.36
  6. Step 6: Final answer
    x = 64,368.45

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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.