Home / 70,587.04-97,407.12-42,277.60

Finding the Fourth Proportional to 70,587.04, 97,407.12 and 42,277.60

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Solution

The fourth proportional to 70,587.04, 97,407.12 and 42,277.60 is: 58,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.04 : 97,407.12 = 42,277.60 : x
  2. Step 2: Convert to fraction form
    70,587.04/97,407.12 = 42,277.60/x
  3. Step 3: Cross multiply
    70,587.04x = 97,407.12 × 42,277.60
  4. Step 4: Simplify right side
    70,587.04x = 4,118,139,256.51
  5. Step 5: Solve for x
    x = 4,118,139,256.51/70,587.04
  6. Step 6: Final answer
    x = 58,341.29

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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.