Home / 70,941.30-97,898.64-39,110.16

Finding the Fourth Proportional to 70,941.30, 97,898.64 and 39,110.16

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Solution

The fourth proportional to 70,941.30, 97,898.64 and 39,110.16 is: 53,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.30 : 97,898.64 = 39,110.16 : x
  2. Step 2: Convert to fraction form
    70,941.30/97,898.64 = 39,110.16/x
  3. Step 3: Cross multiply
    70,941.30x = 97,898.64 × 39,110.16
  4. Step 4: Simplify right side
    70,941.30x = 3,828,831,474.18
  5. Step 5: Solve for x
    x = 3,828,831,474.18/70,941.30
  6. Step 6: Final answer
    x = 53,971.83

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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.