Home / 85,946.74-118,655.89-57,258.77

Finding the Fourth Proportional to 85,946.74, 118,655.89 and 57,258.77

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Solution

The fourth proportional to 85,946.74, 118,655.89 and 57,258.77 is: 79,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,946.74 : 118,655.89 = 57,258.77 : x
  2. Step 2: Convert to fraction form
    85,946.74/118,655.89 = 57,258.77/x
  3. Step 3: Cross multiply
    85,946.74x = 118,655.89 × 57,258.77
  4. Step 4: Simplify right side
    85,946.74x = 6,794,089,578.23
  5. Step 5: Solve for x
    x = 6,794,089,578.23/85,946.74
  6. Step 6: Final answer
    x = 79,050.00

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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.