Home / 98,831.48-136,331.74-62,521.67

Finding the Fourth Proportional to 98,831.48, 136,331.74 and 62,521.67

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Solution

The fourth proportional to 98,831.48, 136,331.74 and 62,521.67 is: 86,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,831.48 : 136,331.74 = 62,521.67 : x
  2. Step 2: Convert to fraction form
    98,831.48/136,331.74 = 62,521.67/x
  3. Step 3: Cross multiply
    98,831.48x = 136,331.74 × 62,521.67
  4. Step 4: Simplify right side
    98,831.48x = 8,523,688,477.79
  5. Step 5: Solve for x
    x = 8,523,688,477.79/98,831.48
  6. Step 6: Final answer
    x = 86,244.68

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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.