Home / 70,942.02-97,899.93-39,111.45

Finding the Fourth Proportional to 70,942.02, 97,899.93 and 39,111.45

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Solution

The fourth proportional to 70,942.02, 97,899.93 and 39,111.45 is: 53,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942.02 : 97,899.93 = 39,111.45 : x
  2. Step 2: Convert to fraction form
    70,942.02/97,899.93 = 39,111.45/x
  3. Step 3: Cross multiply
    70,942.02x = 97,899.93 × 39,111.45
  4. Step 4: Simplify right side
    70,942.02x = 3,829,008,217.20
  5. Step 5: Solve for x
    x = 3,829,008,217.20/70,942.02
  6. Step 6: Final answer
    x = 53,973.77

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1.5x scale

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.