Home / 85,533.04-118,030.81-47,290.36

Finding the Fourth Proportional to 85,533.04, 118,030.81 and 47,290.36

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Solution

The fourth proportional to 85,533.04, 118,030.81 and 47,290.36 is: 65,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.04 : 118,030.81 = 47,290.36 : x
  2. Step 2: Convert to fraction form
    85,533.04/118,030.81 = 47,290.36/x
  3. Step 3: Cross multiply
    85,533.04x = 118,030.81 × 47,290.36
  4. Step 4: Simplify right side
    85,533.04x = 5,581,719,495.99
  5. Step 5: Solve for x
    x = 5,581,719,495.99/85,533.04
  6. Step 6: Final answer
    x = 65,258.05

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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.