Home / 124,407.81-171,683.19-70,710.66

Finding the Fourth Proportional to 124,407.81, 171,683.19 and 70,710.66

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Solution

The fourth proportional to 124,407.81, 171,683.19 and 70,710.66 is: 97,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,407.81 : 171,683.19 = 70,710.66 : x
  2. Step 2: Convert to fraction form
    124,407.81/171,683.19 = 70,710.66/x
  3. Step 3: Cross multiply
    124,407.81x = 171,683.19 × 70,710.66
  4. Step 4: Simplify right side
    124,407.81x = 12,139,831,675.81
  5. Step 5: Solve for x
    x = 12,139,831,675.81/124,407.81
  6. Step 6: Final answer
    x = 97,580.95

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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.