Home / 85,831.08-118,452.88-47,594.16

Finding the Fourth Proportional to 85,831.08, 118,452.88 and 47,594.16

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Solution

The fourth proportional to 85,831.08, 118,452.88 and 47,594.16 is: 65,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,831.08 : 118,452.88 = 47,594.16 : x
  2. Step 2: Convert to fraction form
    85,831.08/118,452.88 = 47,594.16/x
  3. Step 3: Cross multiply
    85,831.08x = 118,452.88 × 47,594.16
  4. Step 4: Simplify right side
    85,831.08x = 5,637,665,323.18
  5. Step 5: Solve for x
    x = 5,637,665,323.18/85,831.08
  6. Step 6: Final answer
    x = 65,683.26

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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.