Home / 70,835.36-97,752.02-40,214.30

Finding the Fourth Proportional to 70,835.36, 97,752.02 and 40,214.30

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Solution

The fourth proportional to 70,835.36, 97,752.02 and 40,214.30 is: 55,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.36 : 97,752.02 = 40,214.30 : x
  2. Step 2: Convert to fraction form
    70,835.36/97,752.02 = 40,214.30/x
  3. Step 3: Cross multiply
    70,835.36x = 97,752.02 × 40,214.30
  4. Step 4: Simplify right side
    70,835.36x = 3,931,028,368.05
  5. Step 5: Solve for x
    x = 3,931,028,368.05/70,835.36
  6. Step 6: Final answer
    x = 55,495.29

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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.